Finding the Fourth Proportional to 50,046.78, 69,064.56 and 31,183.92

Step by Step Solution

1. Step 1: Write the proportion equation
   50,046.78 : 69,064.56 = 31,183.92 : x
2. Step 2: Convert to fraction form
   50,046.78/69,064.56 = 31,183.92/x
3. Step 3: Cross multiply
   50,046.78x = 69,064.56 × 31,183.92
4. Step 4: Simplify right side
   50,046.78x = 2,153,703,713.88
5. Step 5: Solve for x
   x = 2,153,703,713.88/50,046.78
6. Step 6: Final answer
   x = 43,033.81